QPointLight#

Encapsulate a Point Light object in a Qt 3D scene. More…

Inheritance diagram of PySide6.Qt3DRender.Qt3DRender.QPointLight

Synopsis#

Properties#

Functions#

Slots#

Signals#

Note

This documentation may contain snippets that were automatically translated from C++ to Python. We always welcome contributions to the snippet translation. If you see an issue with the translation, you can also let us know by creating a ticket on https:/bugreports.qt.io/projects/PYSIDE

Detailed Description#

A point light is a light source that emits light in all directions, from a single point. Conceptually, this is similar to light given off by a standard light bulb.

A point light uses three attenuation factors to describe how the intensity of the light decreases over distance. These factors are designed to be used together in calcuating total attenuation. For the materials in Qt3D Extras the following formula is used, where distance is the distance from the light to the surface being rendered:

totalAttenuation = 1.0 / (constantAttenuation + (linearAttenuation * distance) + (quadraticAttenuation * distance * distance));

Custom materials may choose to interpret these factors differently.

class PySide6.Qt3DRender.Qt3DRender.QPointLight([parent=None])#
Parameters:

parent – PySide6.Qt3DCore.Qt3DCore.QNode

Constructs a new QPointLight with the specified parent.

Note

Properties can be used directly when from __feature__ import true_property is used or via accessor functions otherwise.

property PᅟySide6.Qt3DRender.Qt3DRender.QPointLight.constantAttenuation: float#

Specifies the constant attenuation of the point light.

Note

The exact meaning and use of this property is up to the material implementation.

Access functions:
property PᅟySide6.Qt3DRender.Qt3DRender.QPointLight.linearAttenuation: float#

Specifies the linear attenuation of the point light.

Note

The exact meaning and use of this property is up to the material implementation.

Access functions:
property PᅟySide6.Qt3DRender.Qt3DRender.QPointLight.quadraticAttenuation: float#

Specifies the quadratic attenuation of the point light.

Note

The exact meaning and use of this property is up to the material implementation.

Access functions:
PySide6.Qt3DRender.Qt3DRender.QPointLight.constantAttenuation()#
Return type:

float

See also

setConstantAttenuation()

Getter of property constantAttenuation .

PySide6.Qt3DRender.Qt3DRender.QPointLight.constantAttenuationChanged(constantAttenuation)#
Parameters:

constantAttenuation – float

Notification signal of property constantAttenuation .

PySide6.Qt3DRender.Qt3DRender.QPointLight.linearAttenuation()#
Return type:

float

See also

setLinearAttenuation()

Getter of property linearAttenuation .

PySide6.Qt3DRender.Qt3DRender.QPointLight.linearAttenuationChanged(linearAttenuation)#
Parameters:

linearAttenuation – float

Notification signal of property linearAttenuation .

PySide6.Qt3DRender.Qt3DRender.QPointLight.quadraticAttenuation()#
Return type:

float

See also

setQuadraticAttenuation()

Getter of property quadraticAttenuation .

PySide6.Qt3DRender.Qt3DRender.QPointLight.quadraticAttenuationChanged(quadraticAttenuation)#
Parameters:

quadraticAttenuation – float

Notification signal of property quadraticAttenuation .

PySide6.Qt3DRender.Qt3DRender.QPointLight.setConstantAttenuation(value)#
Parameters:

value – float

See also

constantAttenuation()

Setter of property constantAttenuation .

PySide6.Qt3DRender.Qt3DRender.QPointLight.setLinearAttenuation(value)#
Parameters:

value – float

See also

linearAttenuation()

Setter of property linearAttenuation .

PySide6.Qt3DRender.Qt3DRender.QPointLight.setQuadraticAttenuation(value)#
Parameters:

value – float

See also

quadraticAttenuation()

Setter of property quadraticAttenuation .